Index

R. 'Lady Romsey'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Elizabeth de Rothschild'

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1982

R. 'Lady Rosebery'

Rhododendron Hybrid

R. cinnabarinum ssp cinnabarinum Roylei Group X R. 'Royal Flush Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930

R. 'Lady Rosebery'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1944

R. 'Lady Rosebery Dalmeny'

Rhododendron Hybrid

R. cinnabarinum ssp cinnabarinum Roylei Group X R. 'Royal Flush Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1958

R. 'Lady Rosebery Etna'

Rhododendron Hybrid

R. cinnabarinum ssp cinnabarinum Roylei Group X R. 'Royal Flush Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1958

R. 'Lady Rosebery Group'

Rhododendron Cultivar group

R. cinnabarinum ssp cinnabarinum Roylei Group X R. 'Royal Flush Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930

R. 'Lady Rumbold'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1932

R. 'Lady Skelmersdale'

Rhododendron Hybrid

R. 'Multiflorum' X R. edgeworthii

Hybridized By: Davies, I. Ormskirk, Lancashire, England, 1879

R. 'Lady Southampton'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1865

R. 'Lady Stair Group'

Rhododendron Cultivar group

R. griersonianum X R. 'Albatross Group'

Hybridized By: Stair, Lord. Lochinch Castle, Stranraer, Scotland, 1939

R. 'Lady Strangford'

Rhododendron Hybrid

? X ?

Hybridized By: Noble, C.. Standish & Noble, Bagshot, Surrey, England, 1885

R. 'Lady Stuart of Wortley'

Rhododendron Hybrid

R. 'Coombe Royal Group' X ?

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1909

R. 'Lady Tankerville'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1881

R. 'Lady Thistleton-Dyer'

Rhododendron Hybrid

? X ?

Hybridized By: Paul, G.. The Old Nurseries, Cheshunt, Hertfordshire, England, 1901

R. 'Lady Truro'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1958

R. 'Lady Warrender'

Rhododendron Hybrid

R. arboreum ssp arboreum X ?

Hybridized By: Guérin, M, 1842

R. 'Lady Welch'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1958

R. 'Lady Wenlock'

Rhododendron Hybrid

? X ?

Hybridized By: Morlet, G., 1854

R. 'Lady Wilcox'

Rhododendron Hybrid

R. 'Prelude' X R. campylocarpum ssp campylocarpum

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1975

R. 'Lady Williams'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch, R.T., 1867

R. 'Lady Winifred Herbert'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch & Son, J.. Royal Exotic Nurseries, Chelsea, London, England, 1881

R. 'Lady-locks'

Azalea Hybrid

R. 'Wakasagi' X ?

Hybridized By: Hill, J.W. Mrs., 1966

R. 'Ladybird'

Rhododendron Hybrid

R. fortunei ssp discolor X R. 'Corona'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933

R. 'Ladybird Group'

Rhododendron Cultivar group

R. fortunei ssp discolor X R. 'Corona'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933

R. 'Ladybird Group x Inamorata Group'

Rhododendron Hybrid

R. 'Ladybird Group' X R. 'Inamorata Group'

Hybridized By: No hybridiser registered

R. 'Ladylove'

Azalea Hybrid

R. simsii var simsii 'Vittatum' X R. 'Osakazuki'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1947

R. 'Laelia'

Azalea Hybrid

? X ?

Hybridized By: Linden, J., 1873

R. 'Laelia'

Azalea Hybrid

? X ?

Hybridized By: Noble, C. | Standish & Noble, Bagshot, Surrey | England, 1900

R. 'Laerdal Group'

Rhododendron Cultivar group

R. johnstoneanum X R. dalhousiae var dalhousiae

Hybridized By: Bolitho, Sir Edward, 1937

R. 'Laertes'

Azalea Hybrid

R. molle ssp japonicum X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1970

R. 'Laetevirens'

Rhododendron Hybrid

R. minus Carolinianum Group X R. ferrugineum

Hybridized By: No hybridiser registered, 1902

R. 'Laetitia'

Azalea Hybrid

? X ?

Hybridized By: Linden, J., 1873

R. laetum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'laetum x aurigeranum'

Vireya Hybrid

R. laetum X R. aurigeranum ssp aurigeranum

Hybridized By: No hybridiser registered

R. 'laetum x Doctor Hermann Sleumer'

Vireya Hybrid

R. laetum X R. 'Doctor Hermann Sleumer'

Hybridized By: No hybridiser registered

R. 'laetum x Golden Gate'

Vireya Hybrid

R. laetum X

Hybridized By: No hybridiser registered

R. 'laetum x gracilentum'

Vireya Hybrid

R. laetum X R. gracilentum

Hybridized By: No hybridiser registered

R. 'laetum x konori var phaeoplepum'

Vireya Hybrid

R. laetum X R. konori var phaeopeplum

Hybridized By: No hybridiser registered

R. 'laetum x leucogigas'

Vireya Hybrid

R. laetum X R. leucogigas

Hybridized By: No hybridiser registered

R. 'laetum x leucogigas X konori var phaeopeplum'

Vireya Hybrid

X R. konori var phaeopeplum

Hybridized By: No hybridiser registered

R. 'laetum x macgregoriae'

Vireya Hybrid

R. laetum X R. macgregoriae

Hybridized By: No hybridiser registered

R. 'laetum X macgregoriae x aurigeranum'

Vireya Hybrid

R. laetum X R. 'macgregoriae x aurigeranum'

Hybridized By: No hybridiser registered

R. 'laetum X viriosum x macgregoriae'

Vireya Hybrid

R. laetum X R. 'viriosum x macgregoriae'

Hybridized By: No hybridiser registered

R. 'laetum x zoelleri'

Vireya Hybrid

R. laetum X R. zoelleri

Hybridized By: No hybridiser registered

R. 'laetum X zoelleri x polyanthemum'

Vireya Hybrid

R. laetum X R. 'zoelleri x polyanthemum'

Hybridized By: No hybridiser registered

R. 'Lafontaine'

Rhododendron Hybrid

? X ?

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1929

R. 'Lagg'

Rhododendron Hybrid

R. macabeanum X R. magnificum

Hybridized By: National Trust for Scotland, 1973

R. 'Lagoon'

Rhododendron Hybrid

R. augustinii ssp augustinii X ?

Hybridized By: Wright, A. Sr & Jr, 1958

R. 'Lagoon'

Azalea Hybrid

? X R. 'Treasure'

Hybridized By: USDA, Department of Agriculture | Beltsville, Maryland | USA, 1947

R. lagopus var lagopus

Species

Subgenus: Tsutsusi
Section: Brachycalyx

R. lagopus var niphophilum

Species

Subgenus: Tsutsusi
Section: Brachycalyx